CN214221909U - Novel two grades of transfer case assemblies of integral type installation - Google Patents
Novel two grades of transfer case assemblies of integral type installation Download PDFInfo
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- CN214221909U CN214221909U CN202022003656.2U CN202022003656U CN214221909U CN 214221909 U CN214221909 U CN 214221909U CN 202022003656 U CN202022003656 U CN 202022003656U CN 214221909 U CN214221909 U CN 214221909U
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Abstract
The utility model discloses a novel two-gear transfer case assembly with integrated installation, which comprises a shell, an input shaft, a fast gear fixed meshing sleeve, a sliding meshing sleeve, a slow gear fixed kneading disc, a gear ring bracket, a planet carrier, a gear ring, a planet wheel shaft, a driving cylindrical gear and a driven cylindrical gear, wherein the two-gear planetary reduction mechanism is composed of the shell, the input shaft, the fast gear fixed meshing sleeve, the sliding meshing sleeve, the slow gear fixed kneading disc, the gear ring bracket, the planet carrier, the gear ring, the planet wheel shaft, the driving cylindrical gear and the driven cylindrical gear; the outer part of the shell of the two-gear planetary reduction mechanism is fixedly connected with the shell of the axle main reducer, the driven cylindrical gear is fixedly connected with the driving spiral bevel gear, and the gear part at the front end of the driving spiral bevel gear is arranged in the shell of the main reducer assembly and meshed with the driven spiral bevel gear to form a second-stage reduction mechanism. The utility model discloses a transfer case assembly's is small, and the structure is compacter, and whole car overall arrangement is more reasonable.
Description
Technical Field
The utility model relates to a transfer case assembly field specifically is a novel two shelves transfer case assemblies of integral type installation.
Background
The existing 4X4 or 6X6 transfer case assembly and axle assembly are independently installed in the vehicle chassis, and the transfer case assembly adopts a cylindrical gear speed reducing mechanism, so that in order to obtain the speed reducing ratio requirement and the torque requirement required by the vehicle, the existing cylindrical gear speed reducing structure causes the transfer case to have an extremely large volume, and the problem of being very troublesome in the layout of the vehicle chassis is solved. Under the condition of meeting the requirements of torque and reduction ratio required by a vehicle, the original cylindrical gear reduction mechanism is designed into the combination of the planetary reduction mechanism and the cylindrical gear reduction mechanism, so that the volume of the whole transfer case assembly is reduced, and the transfer case assembly is directly connected with the axle main reducer for installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the novel two shelves transfer case assemblies of integral type installation that provide.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel integrally-installed two-gear transfer case assembly comprises a shell, an input flange, an input shaft, a fast gear fixed meshing sleeve, a sliding meshing sleeve, a slow gear fixed kneading disc, a gear ring support, a planet carrier, a gear ring, a planet wheel shaft, a driving cylindrical gear, a power takeoff flange, a driven cylindrical gear, a driven spiral bevel gear, a driving spiral bevel gear, a front axle output flange, a main reducer assembly shell and an output shaft, and is characterized in that the shell, the input shaft, the fast gear fixed meshing sleeve, the sliding meshing sleeve, the slow gear fixed kneading disc, the gear ring support, the planet carrier, the gear ring, the planet wheel and the planet wheel shaft form a first-stage speed reduction mechanism; the shell, the driving cylindrical gear, the driven cylindrical gear, the driving spiral bevel gear and the output shaft form a second-stage speed reducing mechanism; the outer part of the shell of the second-stage speed reducing mechanism is fixedly connected with the shell of the axle main speed reducer, the driven cylindrical gear is fixedly connected with the driving spiral bevel gear, and the gear part at the front end of the driving spiral bevel gear is arranged in the shell of the main speed reducer assembly and meshed with the driven spiral bevel gear to form a third-stage speed reducing mechanism.
Furthermore, a bearing position is arranged at the front section of the shell of the first-stage speed reducing mechanism, a bearing is sleeved on the bearing position, a bearing position at the front section of the input shaft is sleeved in an inner hole of the bearing, an inner hole at the tail end of the input flange is provided with a spline, and the front section of the input shaft is in meshing connection with the input flange through a spline tooth surface; the gear shifting device comprises a gear ring support, a gear shifting box and a gear shifting box, wherein a high-speed gear fixed meshing sleeve is fixedly sleeved on an input shaft, a low-speed gear fixed kneading disc is fixedly arranged on the shell, a sliding meshing sleeve is sleeved on the gear ring support and arranged between the high-speed gear fixed meshing sleeve and the low-speed gear fixed kneading disc, and the gear shifting box is adjusted through the position of the sliding meshing sleeve; a gear ring support is sleeved outside the input shaft, and external teeth of the gear ring support are meshed with internal teeth of the front section of the gear ring; the front section of the planet carrier is sleeved on an input shaft of the inner cavity of the gear ring, and the tail end of the input shaft is sleeved in an inner hole of the front section of the driving cylindrical gear; the planet carrier is provided with a planet shaft hole, a planet wheel shaft is fixedly arranged in the planet shaft hole, a planet wheel is sleeved on the planet wheel shaft and meshed with the inner teeth of the rear section of the gear ring, and the planet wheel is meshed with a sun wheel arranged on the input shaft.
Furthermore, the front section of a driving cylindrical gear of the second-stage speed reducing mechanism is connected with the first-stage speed reducing mechanism through a planet wheel shaft and a bolt, a bearing position of the driving cylindrical gear is connected with the shell through a bearing, an output shaft is sleeved on the driving cylindrical gear, and the output shaft is provided with a spline and is in meshing connection with the tooth surface of the spline of the inner hole of the flange of the power takeoff through the spline; the driving cylindrical gear is meshed with the driven cylindrical gear, an output shaft is sleeved in the middle of the driven cylindrical gear, the front end of the output shaft is connected with the shell through a bearing, splines are arranged at the front two ends of the output shaft, the front section of the output shaft is meshed with the tooth surface of an inner hole spline of an output flange of a front axle through the splines, the driving spiral bevel gear is connected with the shell through the bearing, and the rear end of the driving spiral bevel gear is fixedly connected with the driven cylindrical gear.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novel two grades of transfer case assemblies of integral type installation, current 4X4 or 6X6 transfer case assembly and axle assembly independently install in vehicle chassis to the transfer case assembly adopts cylindrical gear reduction mechanism, and reduction ratio requirement and the moment of torsion requirement in order to obtain the vehicle needs, the structure that current cylindrical gear slows down just makes the transfer case volume unusually huge, just becomes very tricky problem in vehicle chassis's overall arrangement. Under the condition of meeting the requirements of torque and reduction ratio required by a vehicle, the original cylindrical gear reduction mechanism is designed into the combination of a planetary reduction mechanism and a cylindrical gear reduction mechanism, the volume of which is reduced, (under the condition of unchanging strength and speed ratio, the reduction mechanism is the reduction mechanism with the smallest volume and the most compact structure in all the reduction mechanisms), so that the volume of the whole transfer case assembly is reduced, the transfer case assembly is directly connected with the axle main reducer for installation, the structure is more compact than the structure formed by indirectly connecting the transfer case and the main reducer with the original structure, and the whole vehicle layout is more reasonable.
Drawings
FIG. 1 is a cross-sectional view of a novel integrally mounted two-speed transfer case assembly according to the present invention;
FIG. 2 is a cross-sectional view of a first reduction gear of a novel integrally mounted two-speed transfer case assembly according to the present invention;
FIG. 3 is a sectional view of the second and third reduction gears of a novel integrally mounted two-speed transfer case assembly according to the present invention;
in the figure: the device comprises a shell 1, an input flange 2, an input shaft 3, a fast gear fixed meshing sleeve 4, a sliding meshing sleeve 5, a slow gear fixed kneading disc 6, a gear ring support 7, a planet carrier 8, a gear ring 9, a planet gear 10, a planet gear shaft 11, a driving cylindrical gear 12, a power take-off flange 13, a driven cylindrical gear 14, a driven spiral bevel gear 15, a driving spiral bevel gear 16, a front axle output flange 17, a main reducer assembly shell 18 and an output shaft 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the present invention, and are not used for limiting the present invention.
Referring to the attached drawings of the specification, a novel integrally-installed two-gear transfer case assembly comprises a shell 1, an input flange 2, an input shaft 3, a fast-gear fixed meshing sleeve 4, a sliding meshing sleeve 5, a slow-gear fixed kneading disc 6, a gear ring support 7, a planet carrier 8, a gear ring 9, a planet wheel 10, a planet wheel shaft 11, a driving cylindrical gear 12, a power takeoff flange 13, a driven cylindrical gear 14, a driven spiral bevel gear 15, a driving spiral bevel gear 16, a front axle output flange 17, a main reducer assembly shell 1 and an output shaft 19, wherein the shell 1, the input shaft 3, the fast-gear fixed meshing sleeve 4, the sliding meshing sleeve 5, the slow-gear fixed kneading disc 6, the gear ring support 7, the planet carrier 8, the gear ring 9, the planet wheel 10 and the planet wheel shaft 11 form a first-stage speed reduction mechanism; the shell 1, the driving cylindrical gear 12, the driven cylindrical gear 14, the driving spiral bevel gear 16 and the output shaft 19 form a second-stage speed reducing mechanism; the outer portion of a shell 1 of the second-stage speed reducing mechanism is fixedly connected with a shell of an axle main speed reducer, a driven cylindrical gear 14 is fixedly connected with a driving spiral bevel gear 16, and a gear portion at the front end of the driving spiral bevel gear 16 is arranged in the shell 1 of the main speed reducer assembly and meshed with a driven spiral bevel gear 15 to form a third-stage speed reducing mechanism. The front section of a shell 1 of the first-stage speed reducing mechanism is provided with a bearing position, the bearing position is sleeved with a bearing, the front section of a input shaft 3 is sleeved in a bearing inner hole, an inner hole at the tail end of the input flange 2 is provided with a spline, and the front section of the input shaft 3 is in meshing connection with the input flange 2 through a spline tooth surface; the fast gear fixed meshing sleeve 4 is fixedly sleeved on the input shaft 3, the slow gear fixed kneading disc 6 is fixedly arranged on the shell 1, the sliding meshing sleeve 5 is sleeved on the gear ring bracket 7 and is arranged between the fast gear fixed meshing sleeve 4 and the slow gear fixed kneading disc 6, and the gear of the gearbox is adjusted by sliding the position of the sliding meshing sleeve 5; a gear ring support 7 is sleeved outside the input shaft 3, and external teeth of the gear ring support 7 are meshed with internal teeth of the front section of the gear ring 9; the front section of the planet carrier 8 is sleeved on the input shaft 3 in the inner cavity of the gear ring 9, and the tail end of the input shaft 3 is sleeved in an inner hole in the front section of the driving cylindrical gear 12; the planet carrier 8 is provided with a planet shaft hole, a planet wheel shaft 11 is fixedly arranged in the planet shaft hole, a planet wheel 10 is sleeved on the planet wheel shaft 11, the planet wheel 10 is meshed with the inner teeth of the rear section of the gear ring 9, and the planet wheel 10 is meshed with a sun wheel arranged on the input shaft 3.
The front section of a shell 1 of the first-stage speed reducing mechanism is provided with a bearing position, the bearing position is sleeved with a bearing, the front section of a input shaft 3 is sleeved in a bearing inner hole, an inner hole at the tail end of the input flange 2 is provided with a spline, and the front section of the input shaft 3 is in meshing connection with the input flange 2 through a spline tooth surface; the fast gear fixed meshing sleeve 4 is fixedly sleeved on the input shaft 3, the slow gear fixed kneading disc 6 is fixedly arranged on the shell 1, the sliding meshing sleeve 5 is sleeved on the gear ring bracket 7 and is arranged on the fast gear fixed meshing sleeve 4 and the slow gear fixed kneading disc 6, and the gear of the gearbox is adjusted by sliding the position of the sliding meshing sleeve 5; when the low-speed gear is used, the sliding meshing sleeve 5 is meshed with the low-speed gear fixed kneading disc 6, the output power of a vehicle motor 1 or an original gearbox is input through the input flange 2, then the power is transmitted to the input shaft 3, the input shaft 3 is meshed with the planet wheel 10, the planet wheel 10 is meshed with the gear ring 9, the gear ring 9 is meshed with the gear ring support 7, the sliding meshing sleeve 5 is meshed with the gear ring support 7, and the planet carrier 8 is connected with the driving cylindrical gear 12 through the planet wheel shaft 11, so that a primary planetary reduction mechanism is formed. The slow gear fixed kneading disc 6 is fixedly connected with the shell 1, so the gear ring 9 is indirectly fixed with the shell 1, the gear ring 9 is fixed, so the power of the input shaft 3 is passively transmitted to the planetary gear shaft 11 through the planetary gear 10, the planet carrier 8 is connected with the driving cylindrical gear 12 through the planetary gear shaft 11, so the power acts on the driving cylindrical gear 12 in a speed reduction and torque increase mode, the driving cylindrical gear 12 is meshed with the driven cylindrical gear 14, the driven cylindrical gear 14 is fixedly connected with the driving spiral bevel gear 16, the front gear part of the driving spiral bevel gear 16 is arranged in the main reducer assembly shell 1 and is meshed with the driven spiral bevel gear 15, and finally, as mentioned above, the power is output through the rear axle driving spiral bevel gear 16 and the front axle output flange 17, so the transmission of the torque and the power of the slow gear is completed; when the fast gear is used, the sliding engagement sleeve 5 is engaged with the fast gear fixed engagement sleeve 4, because the fast gear fixed engagement sleeve 4 is fixedly sleeved on the input shaft 3, the sliding engagement sleeve 5 is sleeved on the gear ring support 7, the input shaft 3 is indirectly and fixedly connected with the gear ring support 7, and the gears meshed with each other of the planetary reduction gears cannot be rotated, the planetary reduction gears cannot play a role of speed reduction and torque increase, and the planetary reduction gears and the input shaft 3 also become rigid connection devices, so far, the power of the input shaft 3 directly acts on the driving cylindrical gear 12 through the planet carrier 8, the driving cylindrical gear 12 is meshed with the driven cylindrical gear 14, the driven cylindrical gear 14 is fixedly connected with the driving spiral bevel gear 16, the gear part at the front end of the driving spiral bevel gear 16 is arranged in the main speed reducer assembly shell 1 and meshed with the driven spiral bevel gear 15, and finally as described above, and the transmission of the torque and the power of the fast gear is completed through the output of the rear axle driving spiral bevel gear 16 and the front axle output flange 17.
The utility model discloses implementation process:
the utility model discloses in, transmit power for input flange 2, input flange 2 drives input shaft 3 and rotates, sun gear on the input shaft 3 transmits power for planet wheel 10, planet wheel 10 meshes with ring gear 9 mutually, ring gear 9 meshes with ring gear support 7 and is connected, the gear of sliding engagement cover 5 position adjustment gearbox, sliding engagement cover 5 docks with quick gear fixed engagement cover 4 and is the fast gear, sliding engagement cover 5 docks with slow gear fixed kneading dish 6 and is the slow gear, input shaft 3 power transmission to planet wheel axle 11, transmit again to initiative cylindrical gear 12, the effect of first order reduction gears is finished; the driving cylindrical gear 12 is meshed with the driven cylindrical gear 14, the driving cylindrical gear 12 transmits power to the driven cylindrical gear 14, the driven cylindrical gear 14 transmits the power to a front axle through a front axle output flange 17, the driven cylindrical gear 14 transmits the power to the front axle through a driving spiral bevel gear 16, and the action of the second-stage speed reducing mechanism is finished; the outside of the shell 1 of the second-stage speed reducing mechanism is fixedly connected with the shell of the axle main speed reducer, the driven cylindrical gear 14 is fixedly connected with the driving spiral bevel gear 16, the gear part at the front end of the driving spiral bevel gear 16 is arranged in the shell 1 of the main speed reducer assembly and meshed with the driven spiral bevel gear 15, power is transmitted to the rear axle, and the action of the third-stage speed reducing mechanism is finished.
In the description of this patent, it is to be understood that the terms "upper," "lower," "inner," "outer," "center," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the patent.
In this patent, unless expressly stated or limited otherwise, the terms "combined," "disposed," "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, releasably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a novel two grades of transfer case assemblies of integral type installation, including casing (1), input flange (2), input shaft (3), fast shelves fixed meshing cover (4), slip meshing cover (5), slow shelves fixed kneading dish (6), ring gear support (7), planet carrier (8), ring gear (9), planet wheel (10), planet wheel axle (11), initiative cylindrical gear (12), power takeoff flange (13), driven cylindrical gear (14), driven spiral bevel gear (15), initiative spiral bevel gear (16), front axle output flange (17), main reducer assembly casing (18), output shaft (19), a serial communication port, casing (1), input shaft (3), fast shelves fixed meshing cover (4), slip meshing cover (5), slow shelves fixed kneading dish (6), ring gear support (7), planet carrier (8), The gear ring (9), the planet wheel (10) and the planet wheel shaft (11) form a first-stage speed reducing mechanism; the shell (1), the driving cylindrical gear (12), the driven cylindrical gear (14), the driving spiral bevel gear (16) and the output shaft (19) form a second-stage speed reducing mechanism; the outer portion of a shell (1) of the second-stage speed reducing mechanism is fixedly connected with a shell of an axle main speed reducer, a driven cylindrical gear (14) is fixedly connected with a driving spiral bevel gear (16), and a gear portion at the front end of the driving spiral bevel gear (16) is arranged in a shell (18) of the main speed reducer assembly and meshed with a driven spiral bevel gear (15) to form a third-stage speed reducing mechanism.
2. The novel integrally-mounted two-gear transfer case assembly is characterized in that a bearing position is arranged at the front section of a shell (1) of the first-stage speed reducing mechanism, a bearing is sleeved on the bearing position, a bearing position at the front section of an input shaft (3) is sleeved in a bearing inner hole, a spline is arranged in an inner hole at the tail end of an input flange (2), and the front section of the input shaft (3) is in meshed connection with the input flange (2) through a spline tooth surface; the fast-gear fixed meshing sleeve (4) is fixedly sleeved on the input shaft (3), the slow-gear fixed kneading disc (6) is fixedly arranged on the shell (1), the sliding meshing sleeve (5) is sleeved on the gear ring support (7) and arranged between the fast-gear fixed meshing sleeve (4) and the slow-gear fixed kneading disc (6), and the gear of the gearbox is adjusted by sliding the position of the sliding meshing sleeve (5); a gear ring support (7) is sleeved outside the input shaft (3), and external teeth of the gear ring support (7) are meshed with internal teeth of the front section of the gear ring (9); the front section of the planet carrier (8) is sleeved on an input shaft (3) of an inner cavity of the gear ring (9), and the tail end of the input shaft (3) is sleeved in an inner hole of the front section of the driving cylindrical gear (12); the planet carrier (8) is provided with a planet shaft hole, a planet wheel shaft (11) is fixedly arranged in the planet shaft hole, a planet wheel (10) is sleeved on the planet wheel shaft (11), the planet wheel (10) is meshed with the inner teeth of the rear section of the gear ring (9), and the planet wheel (10) is meshed with a sun wheel arranged on the input shaft (3).
3. The novel integrally-mounted two-gear transfer case assembly is characterized in that the front section of a driving cylindrical gear (12) of the second-stage speed reducing mechanism is connected with the first-stage speed reducing mechanism through a planetary gear shaft (11) and a bolt, a bearing position of the driving cylindrical gear (12) is connected with the shell (1) through a bearing, an output shaft is sleeved on the driving cylindrical gear (12), the output shaft is provided with splines, and the splines are in meshed connection with the tooth surface of a spline in an inner hole of a flange (13) of a power takeoff through the splines; the driving cylindrical gear (12) is meshed with the driven cylindrical gear (14), an output shaft (19) is sleeved in the middle of the driven cylindrical gear (14), the front end of the output shaft (19) is connected with the shell (1) through a bearing, a spline is arranged at the front end of the output shaft (19), the front section of the output shaft (19) is meshed with the tooth surface of an inner hole spline of a front axle output flange (17) through the spline, the driving spiral bevel gear (16) is connected with the shell (1) through the bearing, and the rear end of the driving spiral bevel gear (16) is fixedly connected with the driven cylindrical gear (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022003656.2U CN214221909U (en) | 2020-09-14 | 2020-09-14 | Novel two grades of transfer case assemblies of integral type installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022003656.2U CN214221909U (en) | 2020-09-14 | 2020-09-14 | Novel two grades of transfer case assemblies of integral type installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221909U true CN214221909U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022003656.2U Active CN214221909U (en) | 2020-09-14 | 2020-09-14 | Novel two grades of transfer case assemblies of integral type installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221909U (en) |
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2020
- 2020-09-14 CN CN202022003656.2U patent/CN214221909U/en active Active
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